Kuluntu lwanamhlanje apho izixhobo zemagneti zisetyenziswa kakhulu, zombini iimveliso ze-samarium cobalt kunye ne-neodymium iron boron iimveliso zidlala indima eyahlukileyo. Kubaqalayo kwishishini, kubaluleke kakhulu ukukhetha izinto ezihambelana nemveliso yakho. Namhlanje, makhe sijonge nzulu kwiimpawu zezi zixhobo zimbini ezahlukeneyo kwaye sibone ukuba yeyiphi efanelekileyo kwiimfuno zakho.
1. Ukuthelekisa ukusebenza
Iimpawu zemagneti
I-NdFeB yeyona nto inamandla eyaziwayo ngokusisigxina yemagnethi enemveliso yamandla amakhulu kakhulu. Oku kuyenza igqwese kwiimeko zosetyenziso ezifuna indawo eyomeleleyo kazibuthe. Umzekelo, kwibala leenjini, iimotor ezisebenzisa iimagnethi ezisisigxina ze-NdFeB zinokuvelisa i-torque enkulu kwaye zinike amandla anamandla kwisixhobo. Iimpawu zemagneti zemagnethi ezisisigxina ze-SmCo akufuneki zijongelwe phantsi. Bangakwazi ukugcina ukuzinza kakuhle kwamagnetic kwiindawo eziphezulu zokushisa. Olu phawu lwe-SmCo luyenza igqame kwezinye iindawo ezikhethekileyo zemizi-mveliso ezineemfuno zobushushu obuphezulu.
Uzinzo lobushushu
Enye yezona zinto ziluncedo kakhulu kwiimveliso ze-SmCo luzinzo olubalaseleyo lobushushu. Kwiindawo zobushushu obuphezulu, ukubola kwemagnethi yemagnethi esisigxina ye-SmCo ingaphantsi kakhulu kune-NdFeB. Ngokwahlukileyo, nangona i-NdFeB ineempawu ezinamandla zemagneti, ukunyamezela kwayo ubushushu buthathaka, kwaye ukukhutshwa kweemagnethi okungenakuphinda kwenzeke kumaqondo obushushu aphezulu.
Ukumelana nokubola
Ngokubhekiselele kwi-corrosion resistance, izixhobo ze-SmCo zisebenza ngcono kwezinye iindawo ezifumileyo kunye nerhasi eyonakalisayo ngenxa yeempawu zazo zeekhemikhali ezizinzileyo. Nangona kunjalo, ukuba izinto ze-NdFeB azinayo i-coatings efanelekileyo yokukhusela, ziyakwazi ukubola kwiindawo ezifanayo, ezichaphazela ukusebenza kwazo kunye nobomi benkonzo. Nangona kunjalo, ngophuhliso lwetekhnoloji yonyango lomphezulu, ukuxhathisa ukubola kwe-NdFeB nako kuphucuka kancinci.
2. Iinkalo zesicelo
Iinkalo zokusetyenziswa kweemveliso ze-SmCo
I-Samarium cobalt izixhobo zemagnethi ezisisigxina zisetyenziswa ngokubanzi kwiindawo eziphezulu ezifana ne-aerospace, umkhosi, kunye nezonyango. Kwinkqubo yolawulo lweenjini zenqwelomoya, iimagnethi ezisisigxina ze-SmCo zinokusebenza ngokuzinzileyo kubushushu obuphezulu kunye nemekobume entsonkothileyo yokungcangcazela koomatshini ukuqinisekisa ulawulo oluchanekileyo lwe-injini. Kwinkqubo yesikhokelo somjukujelwa kunye namacandelo okulawula isimo sengqondo sesathelayithi kumkhosi womkhosi, izixhobo ze-SmCo nazo zithandwa ngokuchaneka kwazo okuphezulu kunye nokuzinza okuphezulu. Kwizixhobo zonyango, ezifana nezixhobo eziphambili zemagnethi kwi-imaging resonance imaging (MRI), ukusetyenziswa kweemagnethi ezisisigxina ze-SmCo ziqinisekisa ukuchaneka kwezixhobo phantsi kwexesha elide kunye neemeko zokusebenza eziphezulu.
Iinkalo zokusetyenziswa kweemveliso ze-NdFeB
Izixhobo zemagnethi ezisisigxina ze-NdFeB zisetyenziswe ngokubanzi kwintsimi yoluntu ngenxa yeempawu zazo ezinamandla kunye neendleko eziphantsi. Umzekelo, kwiimveliso zethu zombane eziqhelekileyo zabathengi ezifana nee-hard drives, izithethi zefowuni ephathwayo, kunye nee-headphones, iimagnethi ezisisigxina ze-NdFeB zibonelela ngommandla omncinci kunye onamandla. Kwiimoto zezithuthi zamandla amatsha, ukusetyenziswa kwe-NdFeB kukwaphucule kakhulu ukusebenza kakuhle kweemoto kunye nokukhuthaza uphuhliso lweshishini elitsha lezithuthi zamandla. Ukongeza, i-NdFeB ikwadlala indima ebalulekileyo kwiinjini ezahlukeneyo, abenzi boluvo kunye nezinye izixhobo kwinkalo yoshishino oluzenzekelayo.
3. Iindleko zeendleko
Ixabiso lempahla ekrwada
Amacandelo aphambili e-SmCo esisigxina yemagnethi imathiriyeli, i-samarium kunye ne-cobalt, zizinto zentsimbi ezinqabileyo ngokwentelekiso, kwaye iindleko zabo zokumbiwa kwemigodi kunye nokusulungekiswa ziphezulu, nto leyo ekhokelela kumaxabiso aphezulu ezinto ezikrwada zeemveliso zeSmCo. Phakathi kwezinto eziphambili ze-NdFeB, i-neodymium, i-iron kunye ne-boron, isinyithi kunye ne-boron zizinto eziqhelekileyo kwaye zingabizi. Nangona i-neodymium ikwayinto enqabileyo yomhlaba, i-NdFeB ineenzuzo ezithile kwiindleko zempahla ekrwada xa kuthelekiswa ne-SmCo.
Iindleko zokulungisa
Ngexesha lokucubungula, izinto ze-SmCo zinzima ukucubungula ngenxa yobunzima babo obuphezulu kunye nezinye iimpawu, kwaye iindleko zokucubungula ziphezulu. Izinto ze-NdFeB zilula ukucubungula, kodwa ngenxa ye-oxidation yazo elula kunye nezinye iimpawu, amanyathelo okukhusela akhethekileyo afunekayo ngexesha lokucubungula, okwandisa iindleko zokucubungula ukuya kwinqanaba elithile.
4. Indlela yokukhetha imveliso efanelekileyo kuwe
Cinga ngobushushu bokusebenza
Ukuba imveliso isetyenziswa kwindawo yobushushu obuphezulu, obungaphezulu kwe-150 ℃ okanye nangaphezulu, njengendawo ekufutshane neziko lobushushu obuphezulu kunye nezixhobo zemagneti ezijikeleze iinjini ze-aerospace, iimveliso ze-samarium cobalt lukhetho olufanelekileyo ngakumbi. Ngenxa yokuba ukuzinza kwayo kumaqondo obushushu aphezulu kunokuqinisekisa ukusebenza okuzinzileyo kwexesha elide kwaye kuthintelwe iingxaki ze-demagnetization ezibangelwa kukunyuka kwamaqondo obushushu. Ukuba ubushushu bokusebenza bukwiqondo lobushushu begumbi okanye bungaphantsi kwe-100 ℃, njengeemveliso ezininzi ze-elektroniki, iimoto zemizi-mveliso ngokubanzi, njl.
Qwalasela iimfuno zokuxhathisa umhlwa
Ukuba imveliso iya kusetyenziswa kwindawo emanzi, engcolileyo yegesi, njengamacandelo amagnetic kwizixhobo kwiindawo ezifana nolwandle kunye nezityalo zekhemikhali, ukuxhathisa ukubola kwezinto kufuneka kuthathelwe ingqalelo. Ukuzinza kweekhemikhali ze-samarium cobalt impahla ngokwayo kwenza kube luncedo ngakumbi kule ndawo. Nangona kunjalo, ukuba imveliso ye-NdFeB iphathwa ngengubo yokukhusela ekumgangatho ophezulu, inokuhlangabezana neemfuno zokuxhathisa ukubola kwinqanaba elithile. Ngeli xesha, kuyimfuneko ukuqwalasela ngokubanzi iindleko kunye nokukhusela umphumo wokukhetha.
Ukulinganisa uhlahlo lwabiwo-mali lweendleko
Ukuba iindleko aziyiyo eyona nto iphambili yokunciphisa, kwaye iimfuno zokusebenza kunye nokuzinza ziphezulu kakhulu, njengasemkhosini, izixhobo zonyango eziphezulu kunye nezinye iindawo, umgangatho ophezulu kunye nokuzinza kweemveliso ze-samarium cobalt kunokuqinisekisa ukusebenza okuthembekileyo kwe-cobalt. izixhobo. Nangona kunjalo, ukuba yimveliso enkulu yoluntu, ukulawulwa kweendleko kubalulekile. Iimveliso ze-NdFeB zinokunciphisa ngempumelelo iindleko ngelixa zihlangabezana neemfuno zokusebenza kunye neendleko zemathiriyeli ekrwada ephantsi kunye neendleko zokusetyenzwa.
Imfuno yemarike
Kwezinye izicelo ezifuna ukuchaneka okuphezulu kakhulu kunye nozinzo kwintsimi yemagnethi, njengeenkqubo zesikhokelo somjukujelwa kunye nezixhobo zemagneti kwisixhobo sovavanyo lwezonyango oluchanekileyo, ukuchaneka okuphezulu kunye nokusebenza okuzinzile kombane weemveliso ze-samarium cobalt zihambelana ngakumbi neemfuno. Kwezinye iimoto eziqhelekileyo zemizi-mveliso, ii-electronics zabathengi, njl.njl. ezingafuniyo ukuchaneka okuphezulu kodwa zifuna amandla amakhulu omhlaba wemagnethi, iimveliso ze-iron boron ze-neodymium zinokuwenza kakuhle umsebenzi.
Akukho mahluko upheleleyo phakathi kweemveliso ze-samarium cobalt kunye neemveliso ze-iron boron ze-neodymium. Xa ukhetha ezi zinto zimbini zibalaseleyo zemagnethi, kufuneka wenze uthelekiso olubanzi. Ukwabelana okungentla kunethemba lokunceda wonke umntu afumane iimveliso ezihlangabezana neemfuno zabo!
Ixesha lokuposa: Nov-05-2024
